Solve the quadratic equation by formula method x2-4xplus 1=0
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Answer:
x= 8
Step-by-step explanation:
x=b+/-√b^2-4ac/2a
a=2 b= -4 c= 1
-4+/-√4^2-4×2×1/2×2
-4+/-√16-8/4
-4+/-√8/4
x= -√8 Or x=√8
negative is not possible for square root so ans is √8
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